Senior iOS Engineer — Tech Lead & Architect

CoStar Realty Information, Inc.; Sydney; On-site; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Extra days of annual leave

Leadership development programs

LinkedIn Learning

Perkbox discounts

Job summary

Domain, part of the CoStar Group, is seeking a Senior Software Engineer (iOS) to shape the technical direction of the Property Research App team. You will define roadmaps, mentor engineers, and deliver scalable mobile experiences for consumers insights on property.

5+ years in native iOS, strong Swift/SwiftUI/UIKit, and modern architectures are essential. This role is based in Sydney and sits within the Resi Consumer Business Line, embedded with a high-performing engineering culture.

Qualifications

• 5+ years of hands-on experience developing native iOS applications.

Responsibilities

• Drive the technical direction of your squad, ensuring scalable, resilient solutions.
• Lead design and implementation of architecture patterns, turning technical vision into practical solutions.
• Own the health and performance of services, optimising systems and reducing risk.
• Champion engineering excellence through testing, documentation, and SDLC improvements.
• Evaluate emerging technologies and lead innovation to enhance platform capabilities.
• Mentor engineers and foster a culture of continuous learning and high performance.
• Partner with cross-functional teams to drive alignment and outcomes.
• Act as a key technical advisor for your squad and business-focused decisions.

Skills

Swift

SwiftUI

UIKit

MVVM

VIPER

TCA

REST/GraphQL

Git

CI/CD

Mobile performance

Testing

Architecture patterns

Tools

iOS SDK

Job description

Domain, part of the CoStar Group, is seeking a Senior Software Engineer (iOS) to shape the technical direction of the Property Research App team. You will define roadmaps, mentor engineers, and deliver scalable mobile experiences for consumers insights on property.

5+ years in native iOS, strong Swift/SwiftUI/UIKit, and modern architectures are essential. This role is based in Sydney and sits within the Resi Consumer Business Line, embedded with a high-performing engineering culture.